123454940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23833}}^1$

素因数の和:23886

約数の個数: 48

約数和(自身を含む): 304312512

約数和(自身を除く): 180857572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 23833, 47666, 95332, 119165, 166831, 238330, 333662, 476660, 667324, 834155, 881821, 1668310, 1763642, 3336620, 3527284, 4409105, 6172747, 8818210, 12345494, 17636420, 24690988, 30863735, 61727470, 123454940]

約数ペア:

[(1, 123454940), (2, 61727470), (4, 30863735), (5, 24690988), (7, 17636420), (10, 12345494), (14, 8818210), (20, 6172747), (28, 4409105), (35, 3527284), (37, 3336620), (70, 1763642), (74, 1668310), (140, 881821), (148, 834155), (185, 667324), (259, 476660), (370, 333662), (518, 238330), (740, 166831), (1036, 119165), (1295, 95332), (2590, 47666), (5180, 23833)]